Filtration of the liquid in a porous particle under the action of pressure pulses on the local areas of its surface

被引：1

作者：

Moshinskii, A. I. ^{[1
]}

Ivanov, E. V. ^{[1
]}

机构：

[1] St Petersburg Acad Chem & Pharmacol, St Petersburg, Russia

来源：

THEORETICAL FOUNDATIONS OF CHEMICAL ENGINEERING | 2008年 / 42卷 / 02期

关键词：

Extracting agents - Porous particles - Probabilistic models;

D O I：

10.1134/S0040579508020061

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The problem of extractant filtration in the "plane" models of porous particles under the action of unit pressure pulses on the local areas of their surface is considered. A probabilistic model for the removal of an extracting agent from the particles under the action of a sequence of pressure pulses on them is proposed. It is shown that if the intensity of pressure pulses is not high, the particles are characterized by the formation of internal zones in which the liquid is stagnant and the target components can be extracted from them only by molecular diffusion.

引用

页码：150 / 159

页数：10

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